Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner

Mario F. Letelier, Mauricio Acosta, Juan Córdova, Dennis A. Siginer

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Secondary flows of Phan-Thien-Tanner fluids in channels formed by two intersecting walls, and driven by a pressure gradient parallel to the intersection line, are studied by means of perturbation analysis, where the perturbing parameter is the relaxation time. The velocity field is analysed in relation to the opening angle and distance from the comer within the fluid region. An analytically exact solution is found at 0(λ3), through the mathematical structure of which is possible to draw some general and important conclusions about the dynamics of the transversal flow. Such results are of potential interest in the design of devices aimed at exploiting the transport capacity of secondary flows.

    Original languageEnglish
    Title of host publicationFluids Engineering
    PublisherAmerican Society of Mechanical Engineers (ASME)
    Pages291-295
    Number of pages5
    ISBN (Print)0791836576, 9780791836576
    DOIs
    Publication statusPublished - 2002

    Fingerprint

    Secondary flow
    Fluids
    Pressure gradient
    Relaxation time

    All Science Journal Classification (ASJC) codes

    • Mechanical Engineering

    Cite this

    Letelier, M. F., Acosta, M., Córdova, J., & Siginer, D. A. (2002). Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner. In Fluids Engineering (pp. 291-295). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/IMECE2002-32233
    Letelier, Mario F. ; Acosta, Mauricio ; Córdova, Juan ; Siginer, Dennis A. / Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner. Fluids Engineering. American Society of Mechanical Engineers (ASME), 2002. pp. 291-295
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    Letelier, MF, Acosta, M, Córdova, J & Siginer, DA 2002, Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner. in Fluids Engineering. American Society of Mechanical Engineers (ASME), pp. 291-295. https://doi.org/10.1115/IMECE2002-32233

    Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner. / Letelier, Mario F.; Acosta, Mauricio; Córdova, Juan; Siginer, Dennis A.

    Fluids Engineering. American Society of Mechanical Engineers (ASME), 2002. p. 291-295.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    Letelier MF, Acosta M, Córdova J, Siginer DA. Steady secondary flows of Phan-Thien-Tanner fluids in the vicinity of a corner. In Fluids Engineering. American Society of Mechanical Engineers (ASME). 2002. p. 291-295 https://doi.org/10.1115/IMECE2002-32233